ISRC NLA509200920
Verified recording
NLA509200920 is “Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 1: "Liza, otvori!"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x91b4207424186d49f2e8b680603581b04f250868e9b2d612d751ac97fa1d7648 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509200920.
Recording identifiers
- ISRC
- NLA509200920
- Title
- Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 1: "Liza, otvori!"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x91b4207424186d49f2e8b680603581b04f250868e9b2d612d751ac97fa1d7648
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:7d0d3c6d7d9f6a74903a750dbac4cc4f9eb13a1a52f7cb918b2817c534f61223- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509200920
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Pique Dame (Pikovaya Dama), Op. 68, TH.10 / Act 1: "Liza, otvori!" · Machine-readable JSON-LD